Porn Game: Folklore Jam by Hermit jap cen

The main character of this story is Momos Yuichi -
ordinary member of the student council at the academy of Shothou, whom
force forced to join the newly created "Club for the Study of Occult Sciences".
And it all started with the fact that he lost a bet to his adulthood friend Yaotome Itsuuki.
Being brought up by a realist, Yuichi has postponed many bricks,
faced with creepy and inexplicable things.
But, being a man of honor, he decided to stay in the club,
since lost the dispute, and the conditions must be met.
History is gaining momentum, introducing heroes to the inhabitants of the city of Cannaghi,
immersing the Occult Club ever deeper into mysticism and mystery,
both living people, and those who are on the other side ...

Folklore Jam by Hermit jap cen game preview

online.